David W. Hanson

Follow

Person

Minneapolis, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Brick imprinting apparatus
- Patent number 5,318,426
- Issue date Jun 7, 1994
- Fabcon, Inc.
- David W. Hanson
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Strand chair for supporting prestressing cable and cross-mesh in el...
- Patent number 4,644,727
- Issue date Feb 24, 1987
- Fabcon, Inc.
- David W. Hanson
- E04 - BUILDING
Information Patent Grant
Machine for casting concrete members
- Patent number 4,457,682
- Issue date Jul 3, 1984
- Fabcon, Inc.
- Richard C. Nash
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Device for lifting and tilting concrete panels
- Patent number 4,398,761
- Issue date Aug 16, 1983
- Fabcon, Incorporated
- David W. Hanson
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Machine for casting concrete members
- Patent number 4,369,153
- Issue date Jan 18, 1983
- Fabcon, Inc.
- Richard C. Nash
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Aggregate exposing machine
- Patent number 4,360,333
- Issue date Nov 23, 1982
- Fabcon, Incorporated
- Lonnie G. Fox
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Rock aggregate core material washing and recycling
- Patent number 4,329,184
- Issue date May 11, 1982
- Fabcon, Inc.
- David W. Hanson
- B28 - WORKING CEMENT, CLAY, OR STONE